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What’s the difference between ScalaTest and Scala Specs unit test frameworks?
...o share a fixture, whereas Specs by default continues the tradition of the setUp and tearDown approach popularized by JUnit, in which you reassign vars before each test. However if you want to test that way, it is also very easy in ScalaTest. You just need to mix in the BeforeAndAfter trait.
For mo...
What is the use of the JavaScript 'bind' method?
...
bind allows-
set the value of "this" to an specific object. This becomes very helpful as sometimes this is not what is intended.
reuse methods
curry a function
For example, you have a function to deduct monthly club fees
function getMo...
Twitter bootstrap 3 two columns full height
...:table;
width: 100%;
margin-top: -50px;
padding: 50px 0 0 0; /*set left/right padding according to needs*/
box-sizing: border-box;
}
.row {
height: 100%;
display: table-row;
}
.row .no-float {
display: table-cell;
float: none;
}
The above code will achieve full-height...
Ignore whitespace in HTML [duplicate]
...
you can set the font-size of the container to 0 and the white-space disappears!
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PG undefinedtable error relation users does not exist
...of database. By default you use the development environment. Then try to reset database with the following:
rake db:reset
The rake db:reset task will drop the database and set it up again. This is functionally equivalent to rake db:drop db:setup.
This is not the same as running all the mi...
Docker and securing passwords
... this protects against the secrets showing up in ps or in logs if one uses set -x.
However, env vars are not particularly secure either. They are visible via docker inspect, and hence they are available to any user that can run docker commands. (Of course, any user that has access to docker on the ...
Java heap terminology: young, old and permanent generations?
...eration is used to store long surviving objects. Typically, a threshold is set for young generation object and when that age is met, the object gets moved to the old generation. Eventually the old generation needs to be collected. This event is called a major garbage collection
What is the perma...
Is it possible to rename a maven jar-with-dependencies?
...includeBaseDirectory>false</includeBaseDirectory>
<dependencySets>
<dependencySet>
<unpack>true</unpack>
<scope>runtime</scope>
</dependencySet>
</dependencySets>
<fileSets>
<fileSet>
<directo...
How to install the JDK on Ubuntu Linux
...
Referring to Ask Ubuntu question How to set JAVA_HOME for OpenJDK?,
How to install Open JDK (Java developement kit) in Ubuntu (Linux)?
Open Terminal from Application Dash or press Ctrl+Alt+T
Update repository:
sudo add-apt-repository ppa:openjdk-r/ppa # only U...
How can I declare and define multiple variables in one line using C++?
...
When you declare:
int column, row, index = 0;
Only index is set to zero.
However you can do the following:
int column, row, index;
column = index = row = 0;
But personally I prefer the following which has been pointed out.
It's a more readable form in my view.
int column = 0, row...